1 二级(jí )目(mù )录(lù )泛站(zhàn )主页连接 黑帽(mào )SEO技术站群之(zhī )间做连(lián )接,底(dǐ )子都是(shì )单(dān )向连接,具(jù )体单向连(lián )接(jiē )是不(bú )是查(chá )找引擎(qíng )会当作采购(gòu )的连接而赏罚尚不(bú )可(kě )知,不过(guò )依据查找引(yǐn )擎的一些体现(xiàn ),好(hǎo )像(xiàng )对单向连(lián )接有(yǒu )必(bì )定(dìng )的办法(fǎ )很明显的一个比如(rú )是检索quot
Copyright © 2008-2018